#content {
    width: 60vw;
    position: absolute;
    left: 20vw;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#intro {
    margin-bottom:10px ;
}

#id_way {
    width: 180px;
    height: 40px;
    border-radius: 30px;
    text-align: center;
}

.section {
    margin: 40px;
    margin-top: 0px;
}

.main {
    border: 1px solid black;
    padding: 20px;
    padding-bottom: 40px;
    width: 35vw;
    margin-bottom: 15px;
}

/* input边框样式美化 */
input {
    outline-style: none ;
    width: 220px ;
    height: 20px;
    border: none ;
    border-radius: 30px ;
    background-color: rgb(236, 236, 236);
    color: grey;
    font-weight: 700;
    padding: 10px ;
}

.textfield {
    margin: 25px;
}

textarea {
    border: none ;
    background-color: rgb(247, 247, 247) ;
    border-radius: 20px;
    color: grey;
    padding: 12px;
    width: 270px;
    height: 120px;
}

/* 隐藏部门单选按钮 */
input[name="section"] {
    display: inline-block;
    position: absolute;
    /* 这里选用不透明度设置为0的形式而不采用display:none */
    opacity: 0;
}
/* 调整部门选择按钮样式 */
input[type="radio"]+button,input[type="submit"]{
    width: 210px ;
    height: 40px ;
    border:rgb(102, 100, 100) solid 2px ;
    background-color: rgb(255, 255, 255);
    color: rgb(87, 84, 84);
    font-weight: 600;
    border-radius: 20px;
}
/* 被选择后的按钮样式 */
input[type="radio"]:hover+button{
    width: 210px ;
    height: 40px ;
    border:rgb(102, 100, 100) solid 2px ;
    background-color: rgb(73, 71, 71);
    color: rgb(252, 250, 250);
    font-weight: 600;
    border-radius: 20px;
}

input[type="radio"]:checked+button{
    width: 210px ;
    height: 40px ;
    border:rgb(102, 100, 100) solid 2px ;
    background-color: rgb(73, 71, 71);
    color: rgb(252, 250, 250);
    font-weight: 600;
    border-radius: 20px;
}

input[type="submit"]:hover {
    border:rgb(102, 100, 100) solid 2px ;
    background-color: rgb(73, 71, 71);
    color: rgb(252, 250, 250);
}

#menu_home {
    margin-right: 5px;
}

#footer {
    display: flex;
    flex-direction: row;
    align-content: center;
    height: 5vh;
    margin: 20px;
}